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iris sanguinea
相关语句
  溪荪
     56 species of 48 genera and 36 families are vulnerable,such as Paeonia lactiflora,Daphne koreana,Iris sanguinea etc. The percentage to families,genera,and species is 63.16%,37.21%,and 32.94%,separately.
     一般保护的有36科、48属、56种,分别占科、属、种总数的63.16%,37.21%,32.94%,代表种类主要有芍药(Paeonia lactiflora)、长白瑞香(Daphne koreana)、溪荪(Iris sanguinea)等。
短句来源
     However, it produced browning problems, although adding active carbon and transferring frequently can reduce the browning effect, it didn't differed much. According to the study on the fresh weight、 dry weight and water content, the leaf structure, the chlorophyll content and value of Ca/Cb, the photosynthesis characteristic of leaves, The shade tolerant ability of five plants (from strong to week) was in the order: Iris japonica、 Iris pseudacorus、 Iris tectorum、 Iris kaempferi、 Iris sanguinea
     通过对鸢尾属五种植物的叶片单位面积鲜重、干重及含水量,叶片解剖结构,叶绿素含量(a+b)及叶绿素a/b,叶片光合特性多项指标研究得出:鸢尾属五种植物的耐荫性由强到弱为:蝴蝶花(Iris japonica)>黄菖蒲(Iris pseudacorus)>鸢尾(Iris tectorum)>花菖蒲(Iris kaempferi)>溪荪(Iris sanguinea)。
短句来源
     Iris laevigata,Iris ensata,Iris sanguinea and Iris pseudacorus are four species of genus Iris which are suitable for growing in water or marsh. It is proved by germination test that there is dormancy within all the other three species but Iris sanguinea.
     燕子花(Iris laeviga ta)、玉蝉花(Iris ensa ta)、溪荪(Iris sanguinea)、黄菖蒲(Iris pseudacorus)是鸢尾科4种喜水湿植物。
短句来源
  “iris sanguinea”译为未确定词的双语例句
     Systemical Position of Iris sanguinea Donn exHornem
     溪荪的分类地位
短句来源
  相似匹配句对
     Iris.
     Iris都有着一定的联系。
短句来源
     Systemical Position of Iris sanguinea Donn exHornem
     溪荪的分类地位
短句来源
     Iris Location
     虹膜定位
短句来源
     sanguinea poll, C. maxinowiczi Schneid.
     毛山楂(C.maximo-wiczii Schneid.)
短句来源
     sanguinea Donn ex Horn.
     sanguinea Donn ex Horn.
短句来源
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In this paper, the systemical position of Iris sanguinea Donn ex Hornem is discussed on the basis of pollen grains and other orgains of Iris sanguinea Donn ex Hornem,Iris sibirica L.,Iris chrysographes Dykes,

本文依据溪荪、西伯利亚鸢尾和金脉鸢尾的花粉及其它器官的形态特征,研究讨论了溪荪的分类地位。认为溪荪是西伯利亚鸢尾亚系中的一个独立种。

The preseat paper describes the karyotypes of three ornamental plants.According to the terminology defined by Levan at al., their formulas are as follows:1. Collistephus chinensis (L.) Nees, K(2n)=18=16m+2m(sat).2. Zinnia elegan L. K(2n)=24+ 22m+ 2m(sat).3. Iris sanguinea Donn., K(2n)=28=18m+10sm.

三种观赏植物的染色体研究黄少甫,赵治芬(中国林科院亚热带林业研究所,浙江富阳311400)关键词翠菊,百日菊,溪荪,染色体,核型STUDIESONCHROMOSOMESOFTHREEGARDENPLANTS¥HuangShaofuandZhaoZhi...

To inverstigate the impacts of overstory dominant tree species on understory herbaceous plants,a field experiments was carried out in growing season in 1997.Mountane secondary Betula platyphylla forests in the territory of Erguna,Hulunbuir League of Inner Mongolia autonomous region of China were chosen for the experiment.The region happened to be within the forest steppe ecotone of Da Xingan Ling Mountains and within the climatically transitional zone from cold temperate to intermediate temperate belt.Five...

To inverstigate the impacts of overstory dominant tree species on understory herbaceous plants,a field experiments was carried out in growing season in 1997.Mountane secondary Betula platyphylla forests in the territory of Erguna,Hulunbuir League of Inner Mongolia autonomous region of China were chosen for the experiment.The region happened to be within the forest steppe ecotone of Da Xingan Ling Mountains and within the climatically transitional zone from cold temperate to intermediate temperate belt.Five study sites were selected on mountain slopes,varying in the following three topographical features:elevation above sea level(575m,650m,800m,875m and 950m respectively),exposures(eastward,northeastward,westward,eastward and eastward respectively)and slopes(40°,36°,34°,11° and 17° respectively).At each site,three hierarchical rectangular transects of different scales were designed,with the large one 100m×20m sized,the medium one 10m×0.5m,and the small one 1m×0.05m,and each of them was then divided into 20 contiguous quadrates of respondingly different sizes:5m×5m,0.5m×0.5m,and 0.05m×0.05m.The biomass of B.platyphylla and C.pediformis ,the density of C.pediformis at each site were investigated,and so were the six soil factors including moisture,organic matter,available P,available K,pH value and electric conductivity.Based on the above,we made a comparison among the five large scaled transects for the changes of densities of Carex pediformis, the understory dominant species,with the summed projection area of overstory tree crowns,which was produced and intended to act as an index of understory exposure to sunlight.The results showed that the changes of C.pediformis density with the summed projection area of overstory tree crowns displayed bimodal curves,which was considered to be the consequence of tradeoff of the plant between its dual requirements for comparatively shady habitat and for photosynthetic light.The summed projection areas of tree crowns at the former peaks were believed to be optimum for photosynthesis while satisfying the basic requirements for shady habitat,whilist the latter ones were thought to provide nearly optimum shady habitats for growth but meet the basic demands for light used by photosynthesis. The densities of C.pediformis at the three higher sites(800m,875m and 950m above sea level respectively)were as nearly 10 times as those on the other two lowere sites(575m and 650m above sea level respectively),which might be explained by decrease of average temperature on account of promoted elevation.It is implied that there should be a “bottleneck” altitude that occurred within the range from 650m to 800m above sea level,which limited the abundance and distribution of C.pediformis. Compared with the other four transects,the most shady site(with northeastward exposure)had such effect on the density of C.pediformis as if the summed projection area of overstory tree crowns had been increased.Slopes influenced the growth of C.pediformis by influencing soil water contents. Statistical analysis suggested that at large scale most of the present plant species displayed aggregated distribution pattern,while at the medium scale, C.pediformis,Fragaria orientalis, and Iris sanguinea displayed aggregated pattern on all the three tested transects;however at the samall scale,only C.pediformis appeared aggregated. Using Hill's two term local variance(TTLV)method,pattern analysis for plant populations and soil factors at all three scales were conducted for three (with the elevations of 650m,800 and 950m above sea level)of te five sites.The results were as follows:The shadeness of B.platyphylla, an index put forth to estimate to what extent that B.platyphylla shaded understory herbaceous plants,showed similar pattern scales to the above ground biomass of C.pediformis, and to soil moisture at large scale,which further confirmed that B.platyphylla imposed effects on the growth of C.pediformis by influencing understory light and soil

探讨了白桦树冠投影面积对林下日阴密度的影响 ,发现日阴密度随白桦树冠投影面积呈双峰型变化。海拔高度、坡向、坡度对于日阴随白桦树冠投影面积的变化也有一定程度的影响。白桦荫蔽度、日阴地上部生物量和土壤水分含量三者具有较为一致的格局规模 ,这表明白桦通过改变林下的光照和地表水分而影响了日阴的生长。日阴在中等尺度上与土壤有机质的格局规模一致。溪荪个体数量与土壤 p H值在大、中尺度上均显示一致的格局规模 ,说明溪荪受p H值的影响

 
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